Superseded. This AD was superseded by AD 2022-06-20. Verify which one applies to your serial and effectivity before any maintenance action.
AD 2020-20-06
Effective 10/30/2020 · Published 09/25/2020
Airworthiness Directives; Bell Helicopter Textron Canada Limited Helicopters
Summary
The FAA is adopting a new airworthiness directive (AD) for Bell Helicopter Textron Canada Limited (BHTC) Model 429 helicopters. This AD requires repetitive inspections of certain cyclic and collective assembly bearings. This AD was prompted by reports that precipitation can lead to reduced effectiveness of the grease in the bearings. The actions of this AD are intended to address an unsafe condition on these product…